<!DOCTYPE HTML>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <title>document.write</title>
  <script type="text/javascript">
    var mystr="我是";
    var mychar="JavaScript";
    document.write(mychar + "<br>")
    document.write(mystr,mychar,"的粉丝！")

  </script>
</head>
<body>
</body>
</html>